public int GetSiblingIndex()
{
Transform father = Father.FindObject(File);
if (father == null)
{
return(0);
}
for (int i = 0; i < father.Children.Count; i++)
{
PPtr <Transform> child = father.Children[i];
if (child.PathID == PathID)
{
return(i);
}
}
throw new Exception("Transorm hasn't been found among father's children");
}